func (k msgServer) NonceVoter(goCtx context.Context, msg *types.MsgNonceVoter) (*types.MsgNonceVoterResponse, error) {
	ctx := sdk.UnwrapSDKContext(goCtx)
	chain := k.zetaObserverKeeper.GetParams(ctx).GetChainFromChainID(msg.ChainId)
	if chain == nil {
		return nil, observertypes.ErrSupportedChains
	}

	if ok := k.zetaObserverKeeper.IsAuthorized(ctx, msg.Creator, chain); !ok {
		return nil, observertypes.ErrNotAuthorizedPolicy
	}
	// ... SNIP ...
	k.SetChainNonces(ctx, chainNonce)
	return &types.MsgNonceVoterResponse{}, nil
# cd into repos/node
$ make start-smoketest
$ docker exec -it zetacore0 bash
# Inside zetacore0
# The operator key may be acquired with the command `zetacored keys list`
$ zetacored tx crosschain nonce-voter 18444 1337 --from ${operator_key} --fees "300azeta"
# Confirm the prompt with "y"
$ zetacored q crosschain list-chain-nonces
# OUTPUT:
ChainNonces:
- chain_id: "18444"
  creator: ""
  finalizedHeight: "57"
  index: btc_regtest
  nonce: "1337" # <--- Chain nonce
  signers:
  - zeta1t4n5yj0u3wjkjwum5exhgh5834gnylgs3apmw5
- chain_id: "1337"
  creator: ""
  finalizedHeight: "57"
  index: goerli_localnet
  nonce: "0"
  signers: []
- chain_id: "101"
  creator: ""
  finalizedHeight: "57"
  index: zeta_mainnet
  nonce: "0"
  signers: []
pagination:
  next_key: null
  total: "0"
	// #nosec G701 always in range
	if p.NonceHigh != int64(nonce.Nonce) {
		return cosmoserrors.Wrap(types.ErrNonceMismatch, fmt.Sprintf("chain_id %d, high nonce %d, current nonce %d", receiveChainID, p.NonceHigh, nonce.Nonce))
	}
